Related Post: 3 4x 2y 12 3 2y 4 12 3 4x 1 2y 12 Ax By 9 3 4 X 2y )= 12 4 3 2y )- 8y 12 4x 3 2y 8 2x 3y 12 X 2y 3 4x 8y 12 4x 3 3x Y 2y 5x 12 4x 10y 3 12x 2y Simplified 12-3/2y=4